async def test_read_until_shared_boundary(chunk_size):
source = chop_data(b'-boundary-like-' * 4 + b'--some junk--\n' +
b'\n' * 1024,
min_size=chunk_size,
max_size=chunk_size)
stream = reader.BufferedReader(source, chunk_size)
assert await stream.read_until(b'-boundary-like---') == (
b'-boundary-like-' * 3)
assert await stream.peek(17) == b'-boundary-like---'
def reader3():
return reader.BufferedReader(async_iter(SOURCE3), chunk_size=2048)
def reader1():
return reader.BufferedReader(async_iter(SOURCE1), chunk_size=8)
async def test_peek_at_eof():
source = chop_data(b'Hello!')
stream = reader.BufferedReader(source)
assert await stream.peek(16) == b'Hello!'